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A comment on Optimization Without Derivatives: Prima Fortran Version and Inclusion in SciPy. Parent comment
How is that even possible? The function f(x)=x-7 has a single root at x=7. Its derivative is f'(x)=1. How do you recover 7 from 1 ?
How is that even possible? The function f(x)=x-7 has a single root at x=7. Its derivative is f'(x)=1. How do you recover 7 from 1 ?